-13.91% is the change from 906 to 780
Calculation steps:
[( 780 - 906 ) ÷ 906] x 100 = -13.91%
Formula
Percentage change = [(780 - 906) / 906] x 100
Subtract the new number by the original number
780 - 906 = -126
-126 ÷ 906 = -0.1390728476821192
-0.1390728476821192 x 100 = -13.91%